Which theme was used for the game, and in what way?
**Aliens** have invaded the Kata-Martian moon. As an elite agent of the Kata-Martian defense force, you have been dispatched to terminate the aliens. Your mission is to take out the Alien leader. Use your powers at a Kata-Martian to grow in size by rolling over your foes and the debris they drop. Be wary! You must be larger than your enemy before you can absorb them. If you take damage, you will shrink in size. Kata-Martians are unstable by nature so the debris that you have stuck to you will **EXPIRE** over time. Make sure you keep rolling over your enemies to keep up the momentum. Use your Kata-Martian Defense Force weapons to weaken your enemies. **CRAFT** new weapons by rolling over your enemies. Once you hit a sufficient size, your enemies will **FUSE** into a new weapon.